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GE
Sensing & Inspection Technologies
PTX 7800 Series
Druck Pressure Transmitters
Features
• Full scale (FS) ranges from 1.5 to 10,000 psi
(100 mbar to 700 bar)
• Gauge and absolute confi gurations
• Hastelloy and stainless steel wetted parts.
• RFI protected to heavy industrial EMC standard
• FM, CSA and ATEX intrinsically safe and explosionproof versions available
• Accuracy ±0.25% FS terminal straight line (TSL)
• Compact, rugged and lightweight
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PTX 7800 Specifi cations
General
Operating Pressure Ranges
• Any 0 based FS from 1.5 to 1000 psi
(100 mbar to 70 bar) gauge or absolute.
• Any 0 based FS above 1000 to 10,000 psi
(70 to 700 bar) sealed gauge or absolute.
• Compound ranges available on request.
• Other pressure units available on request.
Overpressure
The operating pressure range can be exceeded by the
following without degrading performance
• 12 x for 1.5 psi (100 mbar) range
• 8 x for 2.5 psi (160 mbar) range
• 6 x for 3.5 and 7.5 psi (250 and 500 mbar) range
• 4 x for 15 and 30 psi (1 and 2 bar) range
• 3 x for 50 to 2000 psi (3.5 to 140 bar) range; to a
maximum of 3000 psi (200 bar)
• 2 x for 3000 to 10,000 psi (200 to 700 bar) range; to a
maximum of 15,000 psi (1000 bar)
Pressure Containment
Gauge Ranges
• 16 x for 1.5 psi (100 mbar) range
• 12 x for 2.5 psi (160 mbar) range
• 8 x for 3.5 and 7.5 psi (250 and 500 mbar) ranges
• 6 x for 15 and 30 psi (1 and 2 bar) ranges
• 4 x for 50 to 1000 psi (3.5 to 70 bar) ranges; to a
maximum of 3500 psi (250 bar)
Absolute and Sealed Gauge Ranges
• 3500 psi (250 bar) for ranges 1.5 to 2000 psi
(100 mbar to 140 bar)
• 15,000 psi (1000 bar) for ranges 3000 to 10,000 psi
(200 to 700 bar)
Pressure Media
Fluids compatible with 316L stainless steel and
hastelloy C276.
Supply Voltage
• 9 to 30 V at PTX terminals. (9 to 28 V for IS units)
• Maximum load Ω = 50 x (Supply Voltage - 9)
Supply Sensitivity
0.005% FS/Volt
Insulation Resistance
>10 MΩ @ 500 VDC @ 68°F (20°C)
Output Current
4 to 20 mA (two-wire) proportional for zero to FS
pressure
1.7 in (43 mm)
1/2 NPT male
2.1 in (52 mm)
G 1/2 male
1 in (25 mm)
1/4 NPT female
G 1/4 female
1.5 in (39 mm)
3/8 Autoclave Female
(only available over 201 bar)
5 in (126 mm)
Ø 1.2 in (30 mm)
Typical pressure connections shown
Add 3mm to pressure connection length for pressure ranges over 1000 psi (70 bar)
PTX 7800 Series dimensions
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Performance
Accuracy
±0.25% FS TSL combined non-linearity, hysteresis
and repeatability.
Long Term Stability
At standard reference conditions the calibration will
not change by more than 0.1% FS per year.
Electrical Connection
Available options are:
• M20 male conduit with integral cable (PTX 7800)
• 1/2 NPT male conduit with integral cable (PTX
7801)
Cable length to be specifi ed on order (see Ordering
Information)
Cable Type and Wiring
Operating Temperature Range
• Process: -40°F to 250°F (-40 °C to 120°C)
• Transmitter: -40°F to 210°F (-40°C to 100°C)
• Cable (non-CSA models): -40°F to 176°F
(-40°C to 80°C)
• Cable (CSA models): -40°F to 167°F (-40°C to 75°C)
(See hazardous area approvals for restrictions)
Temperature Eff ects
For ranges 7.5 psi (500 mbar) and above, output will
not deviate from room temperature calibration by
more than:
• ±1% FS RTE over 15°F to 120°F (-10°C to 50°C)
• ±2% FS RTE over -5°F to 175°F (-20°C to 80°C)
For ranges below 7.5 psi (500 mbar) these values will
increase pro-rata with calibration span.
Conformity
CE marked.
Category I pressure accessory to Pressure
Equipment Directive (PED) 97/23/EC.
EMC Emissions: EN 61000-6-3, EN 61326-1.
EMC Susceptibility: EN 61000-6-2. Surge protection
2 kV per EN 61000-4-5 between electrical
connection and case (1 kV for ranges above 70 bar)
Physical
Pressure Connection
Available options are:
• G1/4 female
• G1/2 male
• 1/4 NPT female
• 1/2 NPT male
• 3/8 autoclave female (only available with pressure
range above 3000 psi (201 bar))
All models (excluding CSA approval):
Black polyurethane cable: Red: +VE
Blue: -VE
PTX7801 with CSA approval:
Grey PVC cable: Red: +VE
Black: -VE
Clear: Earth (Chassis)
Ingress Protection
Designed to meet Type 4X/IP67 when properly
installed with conduit fi tting connection.
Weight
12 oz (0.35 kg)
Hazard Area Approvals
ATEX intrinsically safe:
Ex ia IIC T4 Ga (-40°C <= Ta <= 80°C)
per certifi cate no. BAS01ATEX1254
ATEX fl ameproof:
Ex d IIC T6 (-40°C <= Tamb <= 70°C)
per certifi cate no. SIRA 02ATEX1089X
FM:
Intrinsically safe (Division 1 / Zone 0,1)
Explosion / dust ignition-proof (Division 1)
Non-incendive (Division 2 / Zone 2)
per FM certifi cate no. 3017485
CSA:
Intrinsically safe (Division 1 / Zone 0)
Explosion / dust ignition-proof (Division 1)
Non-incendive (Division 2)
per CSA certifi cate no. 1359379
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Approval options
Up to 2 approvals can be off ered on any single unit.
Allowed combinations are:
7800 7801
None (standard)
ATEX IS only
ATE X fl ameproof only
ATEX IS and fl ameproof
FM only
CSA only
FM and CSA
ATEX IS and FM
ATE X fl ameproof and FM
Note: once used in a non-intrinsically safe installation, the
product can not subsequently be used in an intrinsically
safe installation
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Ordering Information
(1) Select model number
PTX 780 Base Model
Code Conduit
0 M20
1 1/2 NPT
Code Pressure Connection
1 G 1/4 female
2 G 1/2 male
3 1/4 NPT female
4 1/2 NPT male
5 3/8 autoclave female (only available over 201 bar)
PTX780 ____ - ____
(2) State pressure range/units
(3) State cable length (for lengths > 3.3 ft (1.0 m). 984 ft (300 m) maximum
(4) State approval required (see Approval Options for availability)
(5) State required installation instructions language (ATEX approvals only):
English only, or English and French / German / Italian / Portuguese / Spanish
www.gesensinginspection.com
920-099B
SDS 0009 Issue 1
© 2009 General Electric Company. All Rights Reserved. Specifi cations are subject to change without notice. GE is a registered trademark of General Electric Company. Other company or product
names mentioned in this document may be trademarks or registered trademarks of their respective companies, which are not affi liated with GE.
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